//
// Copyright (c) 2009, Justin Grant <justin at imagine27 dot com>
// All rights reserved.

// Redistribution and use in source and binary forms, with or without modification,
// are permitted provided that the following conditions are met:

// Redistributions of source code must retain the above copyright notice, this list
// of conditions and the following disclaimer.
// Redistributions in binary form must reproduce the above copyright notice, this
// list of conditions and the following disclaimer in the documentation and/or
// other materials provided with the distribution.
// Neither the name of the <ORGANIZATION> nor the names of its contributors may be
// used to endorse or promote products derived from this software without specific
// prior written permission.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
// ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
// WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
// DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR
// ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
// (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
// LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
// NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,
// EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
//

package utils

import (
	"reflect"
	"runtime"
	"strings"
)

// Util functions

// Given two integers returns the smallest
func MinInt(i1 int, i2 int) (mi int) {
  if i1 < i2 {
    return i1
  } else {
    return i2
  }
}

// Given two integers returns the largest
func MaxInt(i1 int, i2 int) (mi int) {
  if i1 > i2 {
    return i1
  } else {
    return i2
  }
}

// Returns the smallest value in a slice of integers
func Min(sl []int) (mv int) {
  vi := -1
  for i := 0; i < len(sl); i++ {
    if i == 0 || sl[i] < vi {
      vi = sl[i]
    }
  }
  return vi
}

// Returns the largest value in a slice of integers
func Max(sl []int) (mv int) {
  vi := -1
  for i := 0; i < len(sl); i++ {
    if sl[i] > vi {
      vi = sl[i]
    }
  }
  return vi
}

// Given a slice of integers and an integer, returns the index
// of the integer in the slice.
func IndexOf(sl []int, si int) (rind int) {
  for i := 0; i < len(sl); i++ {
    if sl[i] == si {
      return i
    }
  }
  return -1
}

func Abs(num int) (rnum int) {
  if num < 0 {
    return (-1 * num)
  }
  return num
}

func FindLongestPal(f func(string) (int, int), strn string) string {
  i1, i2 := f(strn)
  longest := ""
  if i1 < i2 {
    longest = strn[i1:i2]
  }
  return longest
}

func GetFunctionName(i interface{}) string {
  fullName := runtime.FuncForPC(reflect.ValueOf(i).Pointer()).Name()
	return strings.Split(fullName, "/")[strings.Count(fullName, "/")]
}